Straight Lines and Pair of Straight Lines

Section: Mathematics
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Question : 15 of 81
 
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One line of the pair of lines x2+xy−2y2=0 is perpendicular to one line of the pair of lines 3y2−5xy−2x2=0. If the combined equation of the two lines other than those two perpendicular lines is ax2+2hxy+by2=0, then a+2h+b=
[AP EAPCET 22 May 2025 S1]
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